There are 5 ways to get from London to Ko Samui by plane or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from London Heathrow Airport
best- Fly from London Heathrow Airport (LHR) to Koh Samui Airport (USM)plane LHR - USM
16h 18m฿18,335–45,484Train to Luton Airport, fly
cheapest- Take the train from London St Pancras Intl to Luton Airport Parkwaytrain
- Fly from Luton Airport (LTN) to Koh Samui Airport (USM)plane LTN - USM
20h 6m฿16,738–50,495Train to London Gatwick Airport, fly
- Take the train from London Victoria to Gatwick Airporttrain
- Fly from London Gatwick Airport (LGW) to Koh Samui Airport (USM)plane LGW - USM
16h 31m฿19,496–43,381Fly from London City Airport
- Fly from London City Airport (LCY) to Koh Samui Airport (USM)plane LCY - USM
18h 32m฿32,995–56,260Fly from London Stansted Airport
- Fly from London Stansted Airport (STN) to Koh Samui Airport (USM)plane STN - USM
18h 45m฿17,691–57,472
London Heathrow Airport (LHR) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from London to Ko Samui is to fly which costs ฿18000 - ฿46000 and takes 16h 18m.
The fastest way to get from London to Ko Samui is to fly which takes 16h 18m and costs ฿18000 - ฿46000.
The distance between London and Ko Samui is 9942 km.
It takes approximately 16h 18m to get from London to Ko Samui, including transfers.
Ko Samui is 6h ahead of London. It is currently 4:59 AM in London and 10:59 AM in Ko Samui.
There are 3143+ hotels available in Ko Samui.
What companies run services between London, England and Ko Samui, Thailand?
Thai Airways International, Bangkok Airways, and six other airlines fly from London Heathrow Airport (LHR) to Koh Samui Airport (USM) every 3 hours.
- Website
- thaiairways.com
Flights from London Heathrow Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 51m
- When
- Every day
- Estimated price
- ฿22,000–80,000
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–44,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 12m
- When
- Monday to Friday
- Estimated price
- ฿22,000–100,000
Flights from London City Airport to Koh Samui Airport via Frankfurt, Suvarnabhumi
- Ave. Duration
- 17h 20m
- When
- Monday to Friday
- Estimated price
- ฿27,000–100,000
Flights from London City Airport to Koh Samui Airport via Zurich, Phuket
- Ave. Duration
- 17h 40m
- When
- Wednesday and Sunday
- Estimated price
- ฿11,000–100,000
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 17h 31m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿15,000–60,000
Flights from Luton Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 18h 22m
- When
- Monday, Tuesday, Thursday, and Friday
- Estimated price
- ฿15,000–65,000
Flights from Luton Airport to Koh Samui Airport via Zurich, Suvarnabhumi
- Ave. Duration
- 18h 45m
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿18,000–65,000
Flights from Luton Airport to Koh Samui Airport via Istanbul, Phuket
- Ave. Duration
- 29h
- When
- Tuesday, Thursday, and Sunday
- Estimated price
- ฿14,000–55,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Website
- evaair.com
Flights from London Heathrow Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 55m
- When
- Every day
- Estimated price
- ฿22,000–80,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–44,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 40m
- When
- Tuesday and Thursday
- Estimated price
- ฿22,000–75,000
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿16,000–55,000
Flights from Luton Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 19h 40m
- When
- Tuesday and Thursday
- Estimated price
- ฿15,000–48,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Website
- singaporeair.com
Flights from London Heathrow Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 16h 37m
- When
- Every day
- Estimated price
- ฿19,000–130,000
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 20h 35m
- When
- Every day
- Estimated price
- ฿18,000–120,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Zurich, Phuket
- Ave. Duration
- 17h 40m
- When
- Wednesday and Sunday
- Estimated price
- ฿11,000–100,000
- Website
- turkishairlines.com
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–44,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Zurich, Phuket
- Ave. Duration
- 17h 40m
- When
- Wednesday and Sunday
- Estimated price
- ฿11,000–100,000
Flights from Luton Airport to Koh Samui Airport via Istanbul, Phuket
- Ave. Duration
- 29h
- When
- Tuesday, Thursday, and Sunday
- Estimated price
- ฿14,000–55,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Website
- bangkokair.com
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–44,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Zurich, Phuket
- Ave. Duration
- 17h 40m
- When
- Wednesday and Sunday
- Estimated price
- ฿11,000–100,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Website
- emirates.com
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h 10m
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 20h 20m
- When
- Every day
- Estimated price
- ฿18,000–60,000
Flights from London City Airport to Koh Samui Airport via Zurich, Phuket
- Ave. Duration
- 17h 40m
- When
- Wednesday and Sunday
- Estimated price
- ฿11,000–100,000
Flights from London Stansted Airport to Koh Samui Airport via Dubai, Suvarnabhumi
- Ave. Duration
- 18h 30m
- When
- Every day
- Estimated price
- ฿17,000–60,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 35m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Website
- cathaypacific.com
Flights from London Heathrow Airport to Koh Samui Airport via Hong Kong
- Ave. Duration
- 17h 25m
- When
- Every day
- Estimated price
- ฿19,000–70,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, Saturday, and Sunday
- Estimated price
- ฿16,000–44,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 55m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿16,000–60,000
- Website
- klm.com
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 16h 15m
- When
- Saturday
- Estimated price
- ฿15,000–60,000
Flights from London City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 18h 5m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿20,000–80,000
- Website
- britishairways.com
Flights from London Heathrow Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 16h 50m
- When
- Every day
- Estimated price
- ฿16,000–75,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 14h 15m
- When
- Tuesday, Thursday, and Saturday
- Estimated price
- ฿13,000–60,000
- Website
- lufthansa.com
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 17h 25m
- When
- Friday
- Estimated price
- ฿15,000–60,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 40m
- When
- Thursday
- Estimated price
- ฿15,000–65,000
- Phone
- +44 3451 27 29 20
- Website
- southernrailway.com
Train from London Victoria to Gatwick Airport
- Ave. Duration
- 32 min
- Frequency
- Every 15 minutes
- Estimated price
- ฿550–1,200
- Website
- https://www.southernrailway.com/
- Phone
- +44 345 850 1530
- Website
- gatwickexpress.com
Train from London Victoria to Gatwick Airport
- Ave. Duration
- 30 min
- Frequency
- Every 30 minutes
- Estimated price
- ฿800–1,300
- Website
- https://www.gatwickexpress.com/
- Phone
- 0345 026 4700
- Website
- thameslinkrailway.com
Train from London St Pancras Intl to Luton Airport Parkway
- Ave. Duration
- 31 min
- Frequency
- Every 15 minutes
- Estimated price
- ฿600–1,200
- Website
- https://www.thameslinkrailway.com/
- Phone
- 03457 125 678
- Website
- eastmidlandsrailway.co.uk
Train from London St Pancras Intl to Luton Airport Parkway
- Ave. Duration
- 22 min
- Frequency
- Hourly
- Estimated price
- ฿600–950
- Website
- https://www.eastmidlandsrailway.co.uk/
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